cooking spray |
2 teaspoons all-purpose flour |
1 cup fat-free sour cream |
3/4 cup plus 1 tablespoon warm water |
3 tablespoons vegetable oil |
2 teaspoons instant espresso or 4 teaspoons instant coffee granules |
1 (8-ounce) carton egg substitute |
1 (18.25-ounce) package devil's food cake mix (without pudding in the mix) |
1 (3.9-ounce) package chocolate instant pudding mix |
1/2 cup semisweet chocolate chips |
1 tablespoon powdered sugar |